HTTP request (introduction)

There are two parties involved in HTTP conversation. First one is a client that makes request and another one is a server. Server is a computer that holds resources. It can be educational material, news, or entertainment.

HTTP is a protocol, which means it has a solid requirements for computers to exchange information.

What happens when server is unreachable? HTML page times out, and nothing is displayed on it. You can see 404 error, if the resource which you trying to access is absent on the server.

There could be multiple reasons for broken communication. First one is a broken connection between your computer and a server. Second one is an operator error, hopefully you did not forget to turn on Wi-Fi, or plug the ethernet cable.

If you are using Chrome browser, you can play dinosaur game :)

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